1331303123031 has 8 divisors (see below), whose sum is σ = 2028652377984. Its totient is φ = 760744641720.

The previous prime is 1331303122993. The next prime is 1331303123053. The reversal of 1331303123031 is 1303213031331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1331303123031 - 2¹⁴ = 1331303106647 is a prime.

It is a super-2 number, since 2×1331303123031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331303122992 and 1331303123010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331303123081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31697693385 + ... + 31697693426.

It is an arithmetic number, because the mean of its divisors is an integer number (253581547248).

Almost surely, 2^{1331303123031} is an apocalyptic number.

1331303123031 is a deficient number, since it is larger than the sum of its proper divisors (697349254953).

1331303123031 is an equidigital number, since it uses as much as digits as its factorization.

1331303123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63395386821.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 1331303123031 its reverse (1303213031331), we get a palindrome (2634516154362).

The spelling of 1331303123031 in words is "one trillion, three hundred thirty-one billion, three hundred three million, one hundred twenty-three thousand, thirty-one".